Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 724 [Rate centres in NPA 724] [Dial plan for NPA 724]

NXX: 739

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-739 A Derry PA PITBPADGDS6  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
724-739 0 Derry PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2007-06-12   
724-739 1 Derry PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-739 2 Derry PA KCBGPAXKDS1  050A CITIZENS TELECOM SOLUTIONS, LLC - PA 234   2004-12-11   
724-739 3 Derry PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
724-739 4 Derry PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2013-05-03   
724-739 5 Derry PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-09-10   
724-739 6 Derry PA PITBPADTXJY  2514 US LEC OF PENNSYLVANIA, INC. 234   2008-04-05   
724-739 7 Derry PA BLWXPAAT0MD  506J TWILIO INTERNATIONAL, INC. 234   2021-01-31   
724-739 8 Derry PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2004-12-18   
724-739 9 Derry PA PITBPADGDS6  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.